address #5: CI/CD yml for release publishing

.github/workflows/release.yml

@@ -0,0 +1,22 @@
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  release_fw:
+    runs-on: ubuntu-latest
+    container:
+      image: espressif/idf:v5.3
+    steps:
+      - name: "Checkout files"
+        uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+      - name: "Regular firmware build"
+        run: "./ci/build.sh"
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          files: webserver/build/tokay_lite.bin

ci/build.sh

@@ -2,9 +2,18 @@
 
 # TODO: print more information about the container
 
+VERSTR=$(git describe --tags --dirty)
+
 (ls /.dockerenv && echo Found dockerenv) || (echo No dockerenv)
 echo "IDF_PATH: $IDF_PATH"
 echo "PATH: $PATH"
+echo "VERSTR $VERSTR"
 
 . "${IDF_PATH}/export.sh"
 idf.py -C webserver build
+cd webserver/build
+
+echo "Generating single binary..."
+# TODO: use VERSTR to encode version info into the file name
+# and use it in the release.yml CI file
+esptool.py --chip ESP32-S3 merge_bin -o tokay_lite.bin @flash_args